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nv.models.linePlusBar = function() {
var margin = {top: 30, right: 60, bottom: 50, left: 60},
getWidth = function() { return 960 },
getHeight = function() { return 500 },
dotRadius = function() { return 2.5 },
getX = function(d) { return d.x },
getY = function(d) { return d.y },
color = d3.scale.category20().range(),
dispatch = d3.dispatch('tooltipShow', 'tooltipHide');
var x = d3.scale.linear(),
y1 = d3.scale.linear(),
y2 = d3.scale.linear(),
xAxis = nv.models.axis().scale(x).orient('bottom'),
yAxis1 = nv.models.axis().scale(y1).orient('left'),
yAxis2 = nv.models.axis().scale(y2).orient('right'),
legend = nv.models.legend().height(30),
lines = nv.models.line(),
bars = nv.models.historicalBar();
function chart(selection) {
selection.each(function(data) {
var width = getWidth(),
height = getHeight(),
availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom;
var series1 = data.filter(function(d) { return !d.disabled && d.bar })
.map(function(d) {
return d.values.map(function(d,i) {
return { x: getX(d,i), y: getY(d,i) }
})
});
var series2 = data.filter(function(d) { return !d.disabled && !d.bar })
.map(function(d) {
return d.values.map(function(d,i) {
return { x: getX(d,i), y: getY(d,i) }
})
});
x .domain(d3.extent(d3.merge(series1.concat(series2)), function(d) { return d.x } ))
.range([0, availableWidth]);
y1 .domain(d3.extent(d3.merge(series1), function(d) { return d.y } ))
.range([availableHeight, 0]);
y2 .domain(d3.extent(d3.merge(series2), function(d) { return d.y } ))
.range([availableHeight, 0]);
lines
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color[i % 10];
}).filter(function(d,i) { return !data[i].disabled && !data[i].bar }))
bars
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color[i % 10];
}).filter(function(d,i) { return !data[i].disabled && data[i].bar }))
var wrap = d3.select(this).selectAll('g.wrap.linePlusBar').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'wrap nvd3 linePlusBar').append('g');
gEnter.append('g').attr('class', 'x axis');
gEnter.append('g').attr('class', 'y1 axis');
gEnter.append('g').attr('class', 'y2 axis');
gEnter.append('g').attr('class', 'barsWrap');
gEnter.append('g').attr('class', 'linesWrap');
gEnter.append('g').attr('class', 'legendWrap');
legend.dispatch.on('legendClick', function(d,i) {
d.disabled = !d.disabled;
if (!data.filter(function(d) { return !d.disabled }).length) {
data.map(function(d) {
d.disabled = false;
wrap.selectAll('.series').classed('disabled', false);
return d;
});
}
selection.transition().call(chart);
});
lines.dispatch.on('elementMouseover.tooltip', function(e) {
dispatch.tooltipShow({
point: e.point,
series: e.series,
pos: [e.pos[0] + margin.left, e.pos[1] + margin.top],
seriesIndex: e.seriesIndex,
pointIndex: e.pointIndex
});
});
lines.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
bars.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
bars.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
//TODO: margins should be adjusted based on what components are used: axes, axis labels, legend
margin.top = legend.height();
var g = wrap.select('g')
.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
legend.width(width/2 - margin.right);
g.select('.legendWrap')
.datum(data.map(function(series) {
series.key = series.key + (series.bar ? ' (left axis)' : ' (right axis)');
return series;
}))
.attr('transform', 'translate(' + (width/2 - margin.left) + ',' + (-margin.top) +')')
.call(legend);
var barsData = data.filter(function(d) { return !d.disabled && d.bar });
var barsWrap = g.select('.barsWrap')
.datum(barsData.length ? barsData : [{values:[]}])
//.datum(data.filter(function(d) { return !d.disabled && d.bar }))
var linesWrap = g.select('.linesWrap')
.datum(data.filter(function(d) { return !d.disabled && !d.bar }))
d3.transition(barsWrap).call(bars);
d3.transition(linesWrap).call(lines);
xAxis
.domain(x.domain())
.range(x.range())
.ticks( width / 100 )
.tickSize(-availableHeight, 0);
g.select('.x.axis')
.attr('transform', 'translate(0,' + y1.range()[0] + ')');
d3.transition(g.select('.x.axis'))
.call(xAxis);
yAxis1
.domain(y1.domain())
.range(y1.range())
.ticks( height / 36 )
.tickSize(-availableWidth, 0);
d3.transition(g.select('.y1.axis'))
.call(yAxis1);
yAxis2
.domain(y2.domain())
.range(y2.range())
.ticks( height / 36 )
.tickSize(series1.length ? 0 : -availableWidth, 0); // Show the y2 rules only if y1 has none
g.select('.y2.axis')
.attr('transform', 'translate(' + x.range()[1] + ',0)');
d3.transition(g.select('.y2.axis'))
.call(yAxis2);
});
return chart;
}
chart.dispatch = dispatch;
chart.legend = legend;
chart.lines = lines;
chart.bars = bars;
chart.xAxis = xAxis;
chart.yAxis1 = yAxis1;
chart.yAxis2 = yAxis2;
//d3.rebind(chart, lines, 'interactive');
//consider rebinding x and y as well
chart.x = function(_) {
if (!arguments.length) return getX;
getX = _;
lines.x(_);
bars.x(_);
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = _;
lines.y(_);
bars.y(_);
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin = _;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return getWidth;
getWidth = d3.functor(_);
return chart;
};
chart.height = function(_) {
if (!arguments.length) return getHeight;
getHeight = d3.functor(_);
return chart;
};
chart.dotRadius = function(_) {
if (!arguments.length) return dotRadius;
dotRadius = d3.functor(_);
lines.dotRadius = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = _;
legend.color(_);
return chart;
};
return chart;
}